THIS UNIVERSAL CLAMP CAN BE BOLTED TO EITHER A STEEL BED OR WOODEN BED ONCE BOLTED INTO POSITION YOU WILL BE ABLE TO RIDE THE BIKE INTO THE CLAMP AND THIS WILL ENABLE THE BIKE TO STAY UPRIGHT THIS HAS HEAVY DUTY RUBBER PADS FITTED TO THE INSIDE TO PROTECT THE BIKES WHEEL WHEN CLOSING THE CLAMP ALL OUR LIFTS NOW HAVE THIS CLAMP FITTED FOR EXTRA SAFETY WHY NOT CONVERT YOUR OLD CLAMP TO THIS UPDATED HEAVY DUTY ONE53CM X 29CM X 19CM